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Description
Codex Madrid I and II (Leonardo da Vinci)The Madrid Codex I. (1490 1505) 1 The Madrid Codex I, also known as "Treatise on Statics and Mechanics" or "Madrid Codex of Leonardo da Vinci", is an important manuscript written by the famous Renaissance polymath Leonardo da Vinci. This codex is part of the Leonardo da Vinci manuscript collection and is preserved in the National Library of Spain in Madrid. The Madrid Codex I is a collection of notes and drawings that Leonardo da Vinci made between
The Madrid Codex I. (1490-1505)
1- The Madrid Codex I, also known as "Treatise on Statics and Mechanics" or "Madrid Codex of Leonardo da Vinci", is an important manuscript written by the famous Renaissance polymath Leonardo da Vinci. This codex is part of the Leonardo da Vinci manuscript collection and is preserved in the National Library of Spain in Madrid.
The Madrid Codex I is a collection of notes and drawings that Leonardo da Vinci made between 1490 and 1505, focusing mainly on various aspects of statics and mechanics. It contains numerous detailed diagrams and drawings that explore mechanical concepts, such as levers, pulleys, gears and simple machines. In addition, it delves into questions related to statics, such as the equilibrium of forces and the resistance of materials, as well as annotations on optics and astronomy.
We can find, for example, sketches for an equestrian monument to the Sforza, notes for a water clock and also a design for a hang glider that, as it would later be demonstrated, flew.
The Madrid Codex II
1- The Madrid Codex II, also known as "Treatise on fortification, statics and geometry"or "Madrid Codex of Leonardo da Vinci", is an important manuscript written by the famous Renaissance polymath Leonardo da Vinci. This codex is part of the Leonardo da Vinci manuscript collection and is preserved in the National Library of Spain in Madrid.
The Madrid Codex II deals with different subjects and can be divided into two clearly differentiated parts; the second is the notebook detailing the casting of the Sforza Horse, which was added at an unknown date.
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★★★★★ 4
String
Good for the price. I've only used one so far. It's lasted on my land
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Reviewed in the United States on April 18, 2026
★★★★★ 5
15 Pack (WA0010)Replacement Trimmer Line Spool C
This weed eater trimmer line is pretty tough. Although there was only 12 spools in the box, but the Description says 15 spools, And this trimmer line is a lot tougher than the previous line I was using. I used very little of it on the first spool, which is great these Worx trimmer line spools fit perfectly and function perfectly this is a great product to purchase, and I will highly recommend them. if you just have a small amount of weed eating to do I would recommend getting these spools for your worx weed eater.
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Reviewed in the United States on March 30, 2026
★★★★★ 5
Good product for the price
I bought for my Worx trimmer and they work great. Even though Worx offers free replacements, when you add shipping onto the "Free" order..it costs more...this price is well worth it.
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Fits my weed eater perfectly
Fits perfect and does a great job. Easy to install. 15 pcs will last a ling time
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Reviewed in the United States on May 2, 2026
★★★★★ 3
String breaks about halfway
Just as pictured. PROBLEM…..LINE BREAKS ABOUT THE MIDDLE OF THE SPOOL…. Wound so tightly that once you have used the first half it is impossible to use the rest…. So guess what…I have to buy more!
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Reviewed in the United States on May 29, 2026